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I need a diagram of the coolant lines for a 1982 ford 302 small block. i have installed the engine into a 1992 ford ranger and just capped the lines from the water pump and out of the thermostat housing. having trouble running hot wondering if i need to run coolant from the pump to the back of the intake.
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Do you have the right mix on the coolant you have in the engine? Could you have trapped air in the coolant system, did you have the heater system on when you were filling up with coolant. I assume you changed the radiator cap when you replaced radiator. I guess it could be caused by headgasket, are you loosing coolant, does oil look milky or oil in coolant. Belo link list a few things to look at but you have addressed most of them. Ford Ranger Overheating (repairpal.com)
There isn't a relay on a brake light, just a simple switch on the pedal or a pressure operated switch on the master cylinder. A relay is a device that use a small electrical signal to open and close contacts that carry a large current (amps)
Well a 1982 model should have a carb, so there should be a mechanical fuel pump on the side of the block near the front.
Just follow the fuel line from the carb.
1985 was the first year for fuel injection on the 302 engine.
some of the engine change over problems are tough to have everything the way i do it is write catagorys mounting,electrical,and fuel ect. and it helps to have the doaner car/truck around to get some of the hard to find pieces from or build it from scratch
open the hood and look down. follow the upper radiator hose to the engine block. that is the thermostat housing cap. the unit with the wires in it, at the cap, is the sensor. you can get them at the auto parts store. just need a wrench to replace it. hope this helps
i Kan get u the picture of my diagram same make same model same carborater but only one of the lines is nessary so far as i kan see i just plug the other ones up
not too much work,the motor mounts-bell housing and crankshaft (for the flywheel off the 302)all should be the same.if the 351 had an automatic transmission,then you will have to add a pilot bearing to the end of the crank (center of crank where flywheel bolts on)..Also it depends on which oil pan is on the new engine--to follow the curve of the frame but should be the same as a 302....302 and 351 windsor engines are the same block except the intake manifold.Just a reminder,truck engines have a better cam for more torque.If the truck is fuel injected you will also have to change the computer which would be located drivers side left upper kick panel.The exhaust manifolds may be different,check them out before starting the procedure.
If you don't see any line that should be attached to that port just plug it with a vacuum cap. The cap usually pops off when cranking the engine and the engine starts and stalls resulting in a backfire in the intake. If you don't have a vacuum cap, plug a piece of vacuum hose with a screw and put the other end of the hose to the open vacuum port.
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